<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <link rel="stylesheet" type="text/css" href="6.css">

</head>
<body>
<style>
    h1 {
        color: blue;
    }
</style>
<h1 style="color: #0b2b35">你好</h1>
<h2>aaa</h2>
<h2>aaa</h2>
<h2>aaa</h2>
<h2>aaa</h2>
<h2>aaa</h2>


</body>
</html>